Home / 774,754.44-1,162,198.62-213,788.94

Finding the Fourth Proportional to 774,754.44, 1,162,198.62 and 213,788.94

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Solution

The fourth proportional to 774,754.44, 1,162,198.62 and 213,788.94 is: 320,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,754.44 : 1,162,198.62 = 213,788.94 : x
  2. Step 2: Convert to fraction form
    774,754.44/1,162,198.62 = 213,788.94/x
  3. Step 3: Cross multiply
    774,754.44x = 1,162,198.62 × 213,788.94
  4. Step 4: Simplify right side
    774,754.44x = 248,465,211,039.26
  5. Step 5: Solve for x
    x = 248,465,211,039.26/774,754.44
  6. Step 6: Final answer
    x = 320,701.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.